EP4110184A4 - Aqueous buffer protection system for biosensors - Google Patents

Aqueous buffer protection system for biosensors

Info

Publication number
EP4110184A4
EP4110184A4 EP21759849.9A EP21759849A EP4110184A4 EP 4110184 A4 EP4110184 A4 EP 4110184A4 EP 21759849 A EP21759849 A EP 21759849A EP 4110184 A4 EP4110184 A4 EP 4110184A4
Authority
EP
European Patent Office
Prior art keywords
biosensors
protection system
aqueous buffer
buffer protection
aqueous
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21759849.9A
Other languages
German (de)
French (fr)
Other versions
EP4110184A1 (en
Inventor
Takeshi Tsubouchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Terumo Cardiovascular Systems Corp
Original Assignee
Terumo Cardiovascular Systems Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Terumo Cardiovascular Systems Corp filed Critical Terumo Cardiovascular Systems Corp
Publication of EP4110184A1 publication Critical patent/EP4110184A1/en
Publication of EP4110184A4 publication Critical patent/EP4110184A4/en
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14503—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14507—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue specially adapted for measuring characteristics of body fluids other than blood
    • A61B5/14517—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue specially adapted for measuring characteristics of body fluids other than blood for sweat
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
    • A61B5/6876—Blood vessel
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6866—Extracorporeal blood circuits, e.g. dialysis circuits
EP21759849.9A 2020-02-24 2021-02-16 Aqueous buffer protection system for biosensors Pending EP4110184A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202062980500P 2020-02-24 2020-02-24
US202063031605P 2020-05-29 2020-05-29
PCT/US2021/018148 WO2021173375A1 (en) 2020-02-24 2021-02-16 Aqueous buffer protection system for biosensors

Publications (2)

Publication Number Publication Date
EP4110184A1 EP4110184A1 (en) 2023-01-04
EP4110184A4 true EP4110184A4 (en) 2024-01-24

Family

ID=77491377

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21759849.9A Pending EP4110184A4 (en) 2020-02-24 2021-02-16 Aqueous buffer protection system for biosensors

Country Status (5)

Country Link
US (1) US20220378336A1 (en)
EP (1) EP4110184A4 (en)
JP (1) JP2023516138A (en)
AU (1) AU2021225760A1 (en)
WO (1) WO2021173375A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0276535B1 (en) * 1986-12-23 1992-12-30 Mitsubishi Rayon Co., Ltd. Instrument for measuring living body components
US20110184258A1 (en) * 2010-01-28 2011-07-28 Abbott Diabetes Care Inc. Balloon Catheter Analyte Measurement Sensors and Methods for Using the Same
US20160374612A9 (en) * 2009-08-19 2016-12-29 Mirador Biomedical Systems, Methods, and Devices for Facilitating Access to Target Anatomical Sites or Environments
US20190282143A1 (en) * 2006-10-04 2019-09-19 Dexcom, Inc. Analyte sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1631101A (en) * 1999-10-07 2001-05-10 Pepex Biomedical, Llc Sensor for measuring a bioanalyte such as lactate
US8348844B2 (en) * 2008-12-02 2013-01-08 Kislaya Kunjan Automated blood sampler and analyzer
WO2012159040A2 (en) * 2011-05-19 2012-11-22 Pepex Biomedical Inc. Fluid management and patient monitoring system
US20160073940A1 (en) * 2011-12-16 2016-03-17 James Winkelman Systems, Devices And Methods For In Situ Calibration Of Implantable Sensors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0276535B1 (en) * 1986-12-23 1992-12-30 Mitsubishi Rayon Co., Ltd. Instrument for measuring living body components
US20190282143A1 (en) * 2006-10-04 2019-09-19 Dexcom, Inc. Analyte sensor
US20160374612A9 (en) * 2009-08-19 2016-12-29 Mirador Biomedical Systems, Methods, and Devices for Facilitating Access to Target Anatomical Sites or Environments
US20110184258A1 (en) * 2010-01-28 2011-07-28 Abbott Diabetes Care Inc. Balloon Catheter Analyte Measurement Sensors and Methods for Using the Same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021173375A1 *

Also Published As

Publication number Publication date
EP4110184A1 (en) 2023-01-04
US20220378336A1 (en) 2022-12-01
WO2021173375A1 (en) 2021-09-02
AU2021225760A1 (en) 2022-08-25
JP2023516138A (en) 2023-04-18

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